GT Grunge 20"
1 of 10
GT Grunge 20"
1 of 10
- $300
- Rigid
- 20″
- Aluminum
- Coaster brake
Sizes
Size guide- One Size
Components
Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.
Frame and fork
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Frame
20" GT LegitFit Design, Alloy
Suspension
-
Fork
Drivetrain
-
Bottom bracket
Steel, Ball Type
-
Chain
-
Crankset
Forged One-Piece Type, 127mm, 32T
Brakes
-
Brake levers
Alloy V-type
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Brakes
Coaster Rear, Rear Alloy VBrake, Front: Coaster Rear, Rear Alloy VBrake, Rear: Coaster Rear, Rear Alloy VBrake
Wheels and tires
-
Front hub
Steel, Nutted Axle
-
Rear hub
Steel, Nutted Axle, Coaster Brake
-
Rims
Alloy, 28h
-
Spokes
Stainless Steel, 14g
-
Tires
Cockpit and contact points
-
Grips
120mm Closed End
-
Handlebar
Steel Riser Bar, 176mm Rise, 580mm Width
-
Headset
1" Threaded, Steel
-
Pedals
Jr. BMX Design, Resin
-
Saddle
-
Stem
2-Bolt Alloy Top, Steel Quill
Sizes and geometry
Size explorer
Understanding sizes and measurements
Geometry not published
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Aluminum
- Fork material
-
- Steel
Suspension
- Suspension configuration
-
- Rigid
Drivetrain
- Front chainrings
-
- 1
- Smallest chainring
-
- 32
- Largest chainring
-
- 32
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Coaster brake
Fit and controls
- Shifting
-
- Mechanical
Additional specifications
- Tire width
-
- 1.95″
- Wheel material
-
- Aluminum
- Wheel size
-
- 20″
Lineup changes
The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.
Differences across 2021 builds
Other models in this family
Published versions from the same family and model year.
Similar bicycles
Same category, closest configuration.
